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NAT-MCH Hub Module PCIe – Technical Reference Manual 

 

 

 
 
 

 

10.3.8  Hot Plug Button 2 Register  

 

The Hot Plug Button 2 Register controls together with the Hot Plug Button 1 Register 
the value of the /HP_BUTTON balls of the corresponding PEX8532. 

Table 16: 

 

HP_BUTTON2 Register 

2

nd

 Hot Plug Button – Address 0x15 

Default value 0xff 

Bit 

Access 

R/W 

R/W 

R/W 

R/W 

R/W 

R/W 

R/W 

R/W 

Func - 

HP_BUTTON[12:9] 

 

Table 17: 

 

HP_BUTTON2 - Register Bits 

Bit 

 

Name 

Function 

[7..0] HP_BUTTON 

(12:9) 

hese bits have to be cleared and set again, if an AMC’s 
HP handle was attended. 
 
HP_ BUTTON 9 is assigned to AMC9 and HP_ 
BUTTON 12 to AMC12 
 

 

10.3.9  Hot Plug Power Enable 1 Register  

 

The Hot Plug Power Enable Register 1 Register shows together with the Hot Plug 
Power Enable 2 Register the value of the /HP_PWREN balls of the corresponding 
PEX8532. 

Table 18: 

 

HP_PWREN1 Register 

Hot Plug Power Enable 1 – Address 0x18 

Default value 0x00 

Bit 

Access 

Func HP_PWREN[8:1] 

 

Version 2.0 

© N.A.T. GmbH 

24

 

Summary of Contents for NAT-MCH

Page 1: ...NAT MCH Hub Module PCIe Technical Reference Manual NAT MCH TCA Telecom MCH Module Technical Reference Manual V 1 0 Hub Module PCIe HW Revision 1 4...

Page 2: ...rence Manual The NAT MCH Hub Module PCIe has been designed by N A T GmbH Kamillenweg 22 D 53757 Sankt Augustin Phone 49 2241 3989 0 Fax 49 2241 3989 10 E Mail support nateurope com Internet http www n...

Page 3: ...luding lost profits lost savings delays or interruptions in the flow of business activities including but not limited to special incidental consequential or other similar damages arising out of the us...

Page 4: ...EW 17 9 FUNCTIONAL BLOCKS 18 9 1 PCI EXPRESS SWITCHES 18 9 2 SPREAD SPECTRUM CLOCK 19 9 3 MICROCONTROLLER 19 10 NAT MCH HUB MODULE PCIE PROGRAMMING NOTES 20 10 1 SPI INTERFACE 20 10 2 I C INTERFACE 20...

Page 5: ...tom view 27 List of Tables Table 1 List of used Abbreviations 7 Table 2 NAT MCH Hub Module PCIe Features 8 Table 3 NAT MCH Hub Module PCIe Technical Key Features 9 Table 4 1st Switch to Fabric Port Ma...

Page 6: ...N2 Register Bits 25 Table 22 Misc_CTRL Register 26 Table 23 Misc_CTRL Register Bits 26 Table 24 Hub Module PCIe backplane connector CON1 28 Table 25 Hub Module x48 Extender backplane connector CON2 31...

Page 7: ...nit DMA Direct Memory Access E1 2 048 Mbit G 703 Interface FLASH Programmable ROM FRU Field Replaceable Unit J1 1 544 Mbit G 703 Interface Japan K kilo factor 400 in hex factor 1024 in decimal LIU Lin...

Page 8: ...erature operating Temperature storage Humidity 0 C to 50 C with forced cooling 40 C to 85 C 10 to 90 rh noncondensing Standards Compliance PCI Express Base Specification Rev 1 1 PICMG TCA 0 Rev 1 0 PI...

Page 9: ...h performance x8 interconnect between chips to prevent performance bottleneck upstream port and NT upstream port configurable to any of the 12 AMC slots PCIe hot plug support for each AMC slot cluster...

Page 10: ...liers Special attention and care has been paid to the production cycle so that wherever and whenever possible RoHS components are used with N A T hardware products already 2 2 Compliance to WEEE Direc...

Page 11: ...ucts within the European Community must not be disposed with regular waste If you have any questions on the policy of N A T regarding the Directive 2002 95 EC of the European Commission on the Restric...

Page 12: ...be completely connected and joint to the complete PCB stack Basic Module and CLK Module before the NAT MCH can be stacked into a MicroTCA backplane as one device For further requirements refer to the...

Page 13: ...ing functions can be enabled generation and distribution of synchronized clock signals for up to 12 AMCs Through the extension of the NAT MCH with a HUB Module hub functions for fabric D to G can be e...

Page 14: ...NAT MCH Hub Module PCIe implements the following major features support of PCI Express x4 switching function for fabrics D to G of up to 6 AMCs Hub Module PCIe x24 support of PCI Express x4 switching...

Page 15: ...e Technical Reference Manual 6 Hub Module PCIe Block Diagram Figure 1 Block Diagram of the NAT MCH Hub Module PCIe The HUB PCB x48_ext and the 2nd PCIe switch are only assembled in the x48 version Ver...

Page 16: ...o configure the two switches and the SSC the board is equipped with an Atmel 8 bit microcontroller Interfaces The NAT MCH Hub Module PCIe implements interfaces to connect fabrics D to G of up to 12 AM...

Page 17: ...view Figure 2 Location diagram of the NAT MCH Hub Module PCIe shows the position of important components Figure 2 Location diagram of the NAT MCH Hub Module PCIe top view Figure 3 Location diagram of...

Page 18: ...controller These standard settings can be changed by reading the EEPROM after a reset or by receiving PCI Express messages from a host The EEPROM contains basic configuration information for the PCIe...

Page 19: ...9 3 Microcontroller An 8 bit Atmel microcontroller resides on the Hub Module PCIe The microcontroller can be updated by the CPU on the Base Module via the SPI interface Normal communication between t...

Page 20: ...or write data on the EEPROM 10 2 I C Interface The I C interface is the main communication interface between the microcontroller and the CPU of the Basic Module All communication is based on IPMI Mes...

Page 21: ...ter contains the revision of the firmware which is running on the Atmel on the NAT MCH Hub Module PCIe Table 8 PCB Revision Register Atmel Version Address 0x02 Default value 0x12 Bit 7 6 5 4 3 2 1 0 A...

Page 22: ...s Bit Name Function 7 0 HP_PRSNT 8 1 These bits have to be cleared by the Coldfire if an AMC is recognized on the corresponding AMC slot These bits have to be set if the corresponding AMC slot is empt...

Page 23: ...Register controls together with the The Hot Plug Button 2 Register controls together with the Hot Plug Button 1 Register the value of the HP_BUTTON balls of the corresponding PEX8532 HP_BUTTON2 Regis...

Page 24: ...2 9 Table 17 HP_BUTTON2 Register Bits Bit Name Function 7 0 HP_BUTTON 12 9 hese bits have to be cleared and set again if an AMC s HP handle was attended HP_ BUTTON 9 is assigned to AMC9 and HP_ BUTTON...

Page 25: ...hows together with the Hot Plug Power Enable 1 Register the value of the HP_PWREN balls of the corresponding PEX8532 Table 20 HP_PWREN2 Register Hot Plug Power Enable 2 Address 0x19 Default value 0x00...

Page 26: ...W R W R W Func SPREAD PERST2 PERST1 Table 23 Misc_CTRL Register Bits Bit Name Function 0 PERST1 This bit controls the PERST pin of the 1st PEX8532 A 0 in this bit causes a Fundamental reset of the 1st...

Page 27: ...1 Connector Overview Figure 4 Connectors of the NAT MCH Hub Module PCIe top view Figure 5 Connectors of the NAT MCH Hub Module PCIe bottom view Please refer to the following tables to look up the pin...

Page 28: ...62 10 GND GND 161 11 TxFUE RxFUE 160 12 TxFUE RxFUE 159 13 GND GND 158 14 TxFD1 RxFD1 157 15 TxFD1 RxFD1 156 16 GND GND 155 17 TxFE1 RxFE1 154 18 TxFE1 RxFE1 153 19 GND GND 152 20 TxFF1 RxFF1 151 21 T...

Page 29: ...1 51 TxFD4 RxFD4 120 52 GND GND 119 53 TxFE4 RxFE4 118 54 TxFE4 RxFE4 117 55 GND GND 116 56 TxFF4 RxFF4 115 57 TxFF4 RxFF4 114 58 GND GND 113 59 TxFG4 RxFG4 112 60 TxFG4 RxFG4 111 61 GND GND 110 62 Tx...

Page 30: ...odule PCIe Technical Reference Manual Pin No MCH Signal MCH Signal Pin No 79 GND GND 92 80 TxFF6 RxFF6 91 81 TxFF6 RxFF6 90 82 GND GND 89 83 TxFG6 RxFG6 88 84 TxFG6 RxFG6 87 85 GND GND 86 Version 2 0...

Page 31: ...RxFUD 162 10 GND GND 161 11 TxFUG RxFUE 160 12 TxFUG RxFUE 159 13 GND GND 158 14 TxFD7 RxFD7 157 15 TxFD7 RxFD7 156 16 GND GND 155 17 TxFE7 RxFE7 154 18 TxFE7 RxFE7 153 19 GND GND 152 20 TxFF7 RxFF7...

Page 32: ...10 120 52 GND GND 119 53 TxFE10 RxFE10 118 54 TxFE10 RxFE10 117 55 GND GND 116 56 TxFF10 RxFF10 115 57 TxFF10 RxFF10 114 58 GND GND 113 59 TxFG10 RxFG10 112 60 TxFG10 RxFG10 111 61 GND GND 110 62 TxFD...

Page 33: ...to CLK Module Table 26 Connector to CLK Module CON4 Pin No Signal Signal Pin No 1 12V 12V 2 3 12V 12V 4 5 PCIeCLK_P 3 3V_MP 6 7 PCIeCLK_N SPICLK 8 9 GND expansion3 10 11 MOSI MISO 12 13 GND SPISEL_HU...

Page 34: ...NAT MCH Hub Module PCIe Technical Reference Manual 12 Known Bugs Restrictions none Version 2 0 N A T GmbH 34...

Page 35: ...AT MCH Hub Module PCIe Technical Reference Manual Appendix A Reference Documentation 1 PLX PEX8532AA BA BB BC Express Lane Versatile PCI Express Switch Data Book v1 7 07 2007 Version 2 0 N A T GmbH 35...

Page 36: ...NAT MCH Hub Module PCIe Technical Reference Manual Appendix B Document s History Revision Date Description Author 1 0 04 03 2008 initial revision Ks Version 2 0 N A T GmbH 36...

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